./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a631fd02f261502142d544a23d7070a1b772a1d3782bfab08cbc3ebc9aa6ed1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:09,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:09,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:44:09,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:09,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:09,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:09,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:09,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:09,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:09,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:09,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:09,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:09,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:09,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:09,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:09,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:09,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:09,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:09,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:09,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:09,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:09,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:09,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:09,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:09,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:09,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:09,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:09,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:09,478 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:09,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:09,480 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:09,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a631fd02f261502142d544a23d7070a1b772a1d3782bfab08cbc3ebc9aa6ed1 [2023-11-11 23:44:09,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:09,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:09,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:09,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:09,806 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:09,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_good.i [2023-11-11 23:44:12,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:13,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:13,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_good.i [2023-11-11 23:44:13,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/data/71fa906ac/5b59cd7997e64b3db281695919970925/FLAG061721f01 [2023-11-11 23:44:13,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/data/71fa906ac/5b59cd7997e64b3db281695919970925 [2023-11-11 23:44:13,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:13,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:13,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:13,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:13,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:13,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:13" (1/1) ... [2023-11-11 23:44:13,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef7304b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:13, skipping insertion in model container [2023-11-11 23:44:13,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:13" (1/1) ... [2023-11-11 23:44:13,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:14,046 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:14,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:14,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:14,655 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:14,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:14,988 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:14,988 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:14,989 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:14,989 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:14,989 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:14,997 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:14,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14 WrapperNode [2023-11-11 23:44:14,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:15,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:15,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:15,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:15,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,079 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-11 23:44:15,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:15,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:15,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:15,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:15,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:15,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:15,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:15,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:15,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:14" (1/1) ... [2023-11-11 23:44:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:15,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:15,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:15,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:44:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:44:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:44:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:44:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:44:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:15,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:15,396 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:15,633 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:15,671 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:15,671 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:44:15,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:15 BoogieIcfgContainer [2023-11-11 23:44:15,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:15,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:15,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:15,685 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:15,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-11 23:44:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-11 23:44:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:44:15,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 55 transitions. [2023-11-11 23:44:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-11-11 23:44:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:16,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 52 transitions. [2023-11-11 23:44:16,542 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-11 23:44:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:44:16,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 44 transitions. [2023-11-11 23:44:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-11 23:44:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:44:16,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 36 states and 43 transitions. [2023-11-11 23:44:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-11 23:44:17,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:44:17,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 38 states and 47 transitions. [2023-11-11 23:44:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-11 23:44:17,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:17,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 48 transitions. [2023-11-11 23:44:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-11 23:44:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:17,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:18,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 33 states and 38 transitions. [2023-11-11 23:44:18,026 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-11 23:44:18,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:18,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:18,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 33 states and 37 transitions. [2023-11-11 23:44:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-11 23:44:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:44:18,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 32 states and 36 transitions. [2023-11-11 23:44:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-11 23:44:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:44:18,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:18,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 31 states and 35 transitions. [2023-11-11 23:44:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-11 23:44:19,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:44:19,064 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-11 23:44:19,074 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:44:19,224 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:44:19,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:44:19 ImpRootNode [2023-11-11 23:44:19,230 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:44:19,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:44:19,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:44:19,231 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:44:19,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:15" (3/4) ... [2023-11-11 23:44:19,235 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:44:19,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:44:19,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:44:19,248 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-11 23:44:19,248 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-11 23:44:19,249 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:44:19,249 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:44:19,377 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:44:19,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:44:19,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:44:19,379 INFO L158 Benchmark]: Toolchain (without parser) took 5927.92ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 121.8MB in the beginning and 81.3MB in the end (delta: 40.5MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2023-11-11 23:44:19,379 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:19,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1546.10ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 131.4MB in the end (delta: -9.7MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2023-11-11 23:44:19,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.50ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 128.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:19,381 INFO L158 Benchmark]: Boogie Preprocessor took 53.41ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 127.4MB in the end (delta: 972.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:19,381 INFO L158 Benchmark]: RCFGBuilder took 539.24ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 109.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:44:19,382 INFO L158 Benchmark]: CodeCheck took 3555.26ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 109.5MB in the beginning and 86.5MB in the end (delta: 22.9MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2023-11-11 23:44:19,382 INFO L158 Benchmark]: Witness Printer took 147.76ms. Allocated memory is still 211.8MB. Free memory was 86.5MB in the beginning and 81.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:19,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 834 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 578 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 821 IncrementalHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 206 mSolverCounterUnsat, 458 mSDtfsCounter, 821 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1524 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1563 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 48/48 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1546.10ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 131.4MB in the end (delta: -9.7MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.50ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 128.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.41ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 127.4MB in the end (delta: 972.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.24ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 109.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3555.26ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 109.5MB in the beginning and 86.5MB in the end (delta: 22.9MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Witness Printer took 147.76ms. Allocated memory is still 211.8MB. Free memory was 86.5MB in the beginning and 81.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:44:19,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b3be4d-d5f8-4671-b26d-32acda6a0e14/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE